Cubic Close Packing versus Hexagonal Close Packing

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
This Demonstration compares cubic close packing (ccp) and hexagonal close packing (hcp).
Contributed by: Izidor Hafner (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
R. Williams, The Geometrical Foundations of Natural Structure, New York: Dover, 1979 pp. 108–109.
Permanent Citation
"Cubic Close Packing versus Hexagonal Close Packing"
http://demonstrations.wolfram.com/CubicClosePackingVersusHexagonalClosePacking/
Wolfram Demonstrations Project
Published: March 7 2011